Equilibrium bed
CA 2073424 A1 · Owner: Gabelhouse, Robert D. J. · Inventors: Gabelhouse, Robert D. J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The Equilibrium Bed, Abstract, In a bed for sleeping or resting it is to have a system of independent supports, for each small area of the human body which, are all interconnected and thus inter-dependent on each other via a system of connected chambers filled with a free flow substance such as water, air or hydraulic fluid. All chambers are also connected parallel to the main or common chamber where the combined total pressure of all the supports holding the body will culminate and displace a single total weight pressure on a self balancing weigh scale capable of tolerating various human weights. This scale when balanced will then apply the natural equal counter-pressure of gravity back …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed July 8, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 8, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 8, 2014.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.